CVE-2026-48863 Libsolv: stack-based buffer overflow in libsolv eddsa pgp signature verification allows denial of service

A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processin...

CVE-2026-48863

The CVE-2026-48863 issue is a stack-based buffer overflow in libsolv’s EdDSA verification when copying the EdDSA 's' MPI, caused by length handling. An adversary could craft an Ed25519 PGP signature with mismatched MPI lengths to trigger a denial of service in automated package/repo processing wo...

CVE-2026-48863 Libsolv: stack-based buffer overflow in libsolv eddsa pgp signature verification allows denial of service

A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processin...

CVE-2026-56346 AVideo - Unauthenticated PGP Message Decryption via decryptMessage.json.php Endpoint

AVideo through version 25.0 contains an authentication bypass vulnerability in the decryptMessage.json.php endpoint that allows unauthenticated users to decrypt PGP messages. Remote attackers can submit private keys, ciphertext, and passphrases to perform server-side decryption without credential...

[SECURITY] Fedora 43 Update: rust-sequoia-sop-0.37.3-3.fc43

An implementation of the Stateless OpenPGP Interface using Sequoia...

CVE-2026-48863

A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processin...

bouncycastle: BC-JAVA: unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpg. A specially crafted PGP AEAD Authenticated Encryption with Associated Data message with an unbounded chunk size can lead to an excessive consumption of memory. This issue allows an unauthenticated remote attacker to cause memory...

bouncycastle: BC-JAVA: unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpg. A specially crafted PGP AEAD Authenticated Encryption with Associated Data message with an unbounded chunk size can lead to an excessive consumption of memory. This issue allows an unauthenticated remote attacker to cause memory...

GNU Privacy Guard 2.5.19

GnuPG the GNU Privacy Guard or GPG is GNU's tool for secure communication and data storage. It can be used to encrypt data and to create digital signatures. It includes an advanced key management facility and is compliant with the proposed OpenPGP Internet standard as described in RFC2440. As suc...

PT-2026-33030

Name of the Vulnerable Software and Affected Versions BC-JAVA versions prior to 1.84 Description An issue in the bcpg modules allows for unbounded PGP AEAD chunk size, which can lead to pre-authentication resource exhaustion. Resource exhaustion occurs when a system lacks limits or throttling on...

EUVD-2026-18156

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own...

CVE-2026-29138

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own...

PT-2026-22893

SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails...

rPGP's integrity protection of encrypted data was not always checked

Summary For some messages, rPGP returned incorrectly decrypted data without signaling that integrity protection was invalid. Details When decrypting SEIPD Symmetrically Encrypted and Integrity Protected Data Packet, rPGP previously did not under all circumstances report the absence of valid...

tc Tor Chat Client 1.3

tc is a low-tech free solution to make yourself anonymously reachable for chat by anyone who only know your onion address and your public key. Messages are PGP encrypted end-to-end and forwarded by Tor's relays...

USN-7730-1 kf5-messagelib vulnerabilities

Damian Poddebniak, Christian Dresen, Jens Müller, Fabian Ising, Sebastian Schinzel, Simon Friedberger, Juraj Somorovsky, and Jörg Schwenk discovered that PIM Messagelib could be made to leak the plaintext of S/MIME encrypted emails when retrieving external content in emails. Under certain...

CVE-2025-8660 Privilege Escalation in Symantec PGP Encryption 11.0.1

Privilege escalation occurs when a user gets access to more resources or functionality than they are normally allowed...

thunderbird: Crafted email message incorrectly shown as being encrypted

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted...

thunderbird: Downloading of OpenPGP keys from WKD used incorrect padding

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: When requesting an OpenPGP key from a WKD server, an incorrect padding size was used, and a network observer could have learned the length of the requested email address...

Mutt 安全漏洞

Mutt is a text-based e-mail client for Unix-like systems by Michael Elkins, a personal developer. A security vulnerability exists in Mutt, which stems from PGP encryption that does not use the --hive-recipient mode, thereby disclosing the header field of a cc'd e-mail message...